> Hi, I'm trying to write a dart application that can talk to a standalone
> process on my server, I need to be able to both read and write to that
> process.

> The dartlang web site shows a nice example of how to get output from a
> process here:
> http://www.dartlang.org/articles/io/#processes

> However, this example does not show how to write data to the process'
> stdin.

> Here is my broken, non-working code:
> void main() {
>   var p = Process.start('/usr/local/bin/stockfish', []);
>   var stdoutStream = new StringInputStream(p.stdout);

>   stdoutStream.onLine = () => print(stdoutStream.readLine());
>   p.stdin.writeString("exit\n", Encoding.ASCII); // SocketIOException:
> writeList failed - invalid socket handle

>   p.onExit = (exitCode) {
>     print('exit code: $exitCode');
>     p.close();
>   };
> }

> Please help. Am I doing this wrong? How do I send a command to a process
> that takes commands from stdin?

> It looks like you're writing to p.stdin before it's ready. Try:

> p.onStart = ()  {
>  // p.stdin is ready now.
> };

> Kevin

> On Friday, August 10, 2012 7:27:57 PM UTC-4, XulChris wrote:

>> Hi, I'm trying to write a dart application that can talk to a standalone
>> process on my server, I need to be able to both read and write to that
>> process.

>> The dartlang web site shows a nice example of how to get output from a
>> process here:
>> http://www.dartlang.org/articles/io/#processes

>> However, this example does not show how to write data to the process'
>> stdin.

>> Here is my broken, non-working code:
>> void main() {
>>   var p = Process.start('/usr/local/bin/stockfish', []);
>>   var stdoutStream = new StringInputStream(p.stdout);

>>   stdoutStream.onLine = () => print(stdoutStream.readLine());
>>   p.stdin.writeString("exit\n", Encoding.ASCII); // SocketIOException:
>> writeList failed - invalid socket handle

>>   p.onExit = (exitCode) {
>>     print('exit code: $exitCode');
>>     p.close();
>>   };
>> }

>> Please help. Am I doing this wrong? How do I send a command to a process
>> that takes commands from stdin?